Students entering a program of sustainability may be instructed in renewable energy sources and the impact of unchecked waste on the environment. Instruction in data evaluation and process assessment may occur, preparing individuals to assist their industry or employer with green energy choices.

Requirements for the PhD program often involve the student having already obtained a Master’s degree. Additionally, a thesis or dissertation primarily consisting of original academic research must be submitted. In some countries, this work may even need to be defended in front of a panel.

Online learning refers to use of electronic media and information and communication technologies (ICT) in education. With online learning one has the flexibility to access their studies at any time and from anywhere they can log on.